/*
 *  Copyright (C) 2010 mabe02
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.lantern.gui;

import org.lantern.terminal.TerminalPosition;

/**
 *
 * @author mabe02
 */
public abstract class AbstractInteractableComponent extends AbstractComponent implements Interactable
{
    private boolean hasFocus;
    private TerminalPosition hotspot;

    public AbstractInteractableComponent()
    {
        hotspot = new TerminalPosition(0, 0);
    }

    public final void onEnterFocus(FocusChangeDirection direction)
    {
        hasFocus = true;
        afterEnteredFocus(direction);
    }

    public final void onLeaveFocus(FocusChangeDirection direction)
    {
        hasFocus = false;
        afterLeftFocus(direction);
    }

    protected void afterEnteredFocus(FocusChangeDirection direction)
    {
    }

    protected void afterLeftFocus(FocusChangeDirection direction)
    {
    }

    public boolean hasFocus()
    {
        return hasFocus;
    }

    public TerminalPosition getHotspot()
    {
        return hotspot;
    }

    protected void setHotspot(TerminalPosition point)
    {
        this.hotspot = point;
    }
}
